[A case of Heyde's syndrome with abnormal von Willebrand factor].
D000368:Aged; D000740:Anemia / Q000209:etiology / Q000628:therapy; D016888:Angiodysplasia / Q000150:complications*; D001024:Aortic Valve Stenosis / Q000150:complications*; D003108:Colonic Diseases / Q000150:complications*; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000209:etiology*; D006801:Humans; D013577:Syndrome; D014842:von Willebrand Diseases / Q000150:complications* / Q000175:diagnosis